---
title: "Send a One-Time Password (OTP) to a Signer"
method: POST
path: "/signature_requests/{signatureRequestId}/signers/{signerId}/send_otp"
tags: ["Signer"]
---

# Send a One-Time Password (OTP) to a Signer

`POST /signature_requests/{signatureRequestId}/signers/{signerId}/send_otp`

Send a One-Time Password (OTP) to a given Signer. Use this endpoint only if you use your own signing flow.

## Path parameters

- `signatureRequestId` string, uuid, required — The unique identifier for a resource.
- `signerId` string, uuid, required — The unique identifier for a resource.

## Response `204`

No Content

## Other responses

- `400` — Bad request
- `401` — Access unauthorized
- `403` — Access forbidden
- `404` — Resource not found
- `405` — This method is not allowed
- `429` — Too Many Requests, please try again later.
- `500` — Internal Server Error

---

[API](https://skmtc.net/yousign/apis/public-api-v3.md) · [All operations](https://skmtc.net/yousign/apis/public-api-v3/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/yousign/public-api-v3/revisions/8d258c0b45d6/schema)